A Case Study on Document Classification Using SVM
The need of automatic classification of text has become very crucial with the rampant growth in the amount of information available in today’s world of fast digitization. Text classification (also called text categorization) is the process of classifying documents into pre-defined categories. A number of techniques have been devised over the ages for text classification. One such technique for text categorization is Support Vector Machine (SVM). SVMs are binary classifiers which classifies text into exactly two categories. Many researchers have found that SVM works reasonably well. In this paper, this technique is used for classifying a set of documents. Five models have been created from five different domains and data from each domain are classified using these models and the accuracy is recorded.
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A Hybrid of genetic algorithm and simulated annealing for optimizing multi job shop scheduling
A new hybrid approach with Genetic Algorithm and Simulated Annealing is proposed to solve Multi Job-Shop Scheduling problem, which is one of the well-known hardest combinatorial optimization problems. The main objective of multi job shop scheduling problem is to find a schedule of operations of each job in a set of jobs that can minimize the maximum completion time called makespan. To improve the makespan, SA algorithm has been designed and combined with genetic algorithm . Thus, hybrid GA is implemented over MJSSP and the effectiveness and efficiency is proved by getting promising results for different benchmark job-shop scheduling problem instances.
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A rare pediatric case of abdominal malignant triton tumor
Malignant triton tumor (MTT) is an extremely rare variant of malignant peripheral nerve sheath tumor (MPNST) with rhabdomyo-sarcomatous differentiation. We report a case of a 14-year-old male without history of neurofibromatosis presented for post-traumatic abdominal pain. Ultrasonography and contrast-enhanced computed tomography (CT) revealed a large heterogeneous intraperitoneal mass near the vascular structures and repressing the adjacent organs. Surgery and anatomopathological examination revealed a malignant triton tumor. MTTs are highly aggressive tumors that are fast-growing with a tendency to recur locally and metastasize early. To date, there is no treatment consensus available yet and the overall prognosis remains dismal.
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A Re-Equilibrium Model for PPP Contracts
PPP contracts are contracts with special nature that tend to have longer contract durations compared to other conventional procurement methods; hence, contract re-equilibrium becomes an inevitable need. The objective of the re-equilibrium process is to maintain the IRR of the private sector constant. In this paper, a framework is established to calculate the different re-equilibrium scenarios. The framework proposed in this paper, in addition to addressing a constant IRR, can also be customized to work with any other contractual financial ratio such as ROE. A spreadsheet model is developed with the aid of Microsoft Excel and VBA programming language.
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A study of girl child labor
The history of child labor is as old as human civilization. The work children used to perform in the family and farm has always been a part of their socialization process. Child labor is an issue which has generated interest, because of the new economic policies formulated in line with the structural adjustment programmers, which hopes to put the country on the global market economy. The alarming growth of child workers in developing countries has drawn the attention of many organizations of the world. The phenomenon of child labor, as practiced today, is involuntary and exploitative. The problem of girl child labor has become an issue of great concern in recent times all over the world. In India, domestic child workers and street children, particularly the girls, are further vulnerable to sexual abuse. They are the victims of extreme discrimination and neglectful behavior. Here an attempt has been made through this paper to draw the attention of the intellectuals of the society and policy makers to look at girl child workers and their problems, conditions including policy implications.
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A study on barriers in distance learning of dairy and goat farming courses
A study was conducted to assess the barriers perceived by the learners in distance mode and to suggest the strategies for effective delivery of knowledge and skills to the learners, based on the data collected from 100 respondents randomly selected from each of 221 and 135 learners of dairy and goat farming courses of TANUVAS. The constraints perceived by the respondents of dairy and goat farming distance courses exhibited an overall mean score of 1.5 and 1.6 respectively, both ranging from ‘least constraint’ to ‘no constraint’. Lack of guidance from the local co-ordinators and lack of collaborations / co-operations with learning centres was perceived as constraint to more severe constraint. The factor - improper tracking of learners achievements – was given the score of 3.9 (by dairy course learners) and 4.0 (by goat course learners), implying it to be a severe constraint. The overall and individual constraints’ scores in social and economic barriers ranged between 1 and 2, as they were perceived not to be the constraints by the learners in both course categories.
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A traumatic luxation of the eyeball
The luxation of the eyeball is the dislocation of the globe outside its orbit associated with an incarceration of the eyelid by an orbicular spasm. We report a rare case of traumatic luxation of the eyeball. Patient of 70 years old, followed for heart failure, fell down from his own height and hit the forehead and the left orbital area against the concrete floor so he was transported to the hospital with a left orbital trauma in a context of anxiety. An orbital scan reveals orbital floor fracture accompanying medial wall fracture and a preseptal tissue thickening in the left orbit without damage to the optic nerve. The reduction of the globe was performed under general anesthesia, associated with antibiotic and corticosteroid. The evolution is marked by a complete recovery of ocular motility and normal eyelid function and Improvement in visual acuity.
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Adsorption of Oil Droplets from Oily Produced Water Using Chitosan
Treatment and disposal of oily wastewater, presently is one of the serious environmental problems contributors. Numerous methods have been used to remove residual oil from wastewater, such as adsorption, flocculation, electrocoagulation and flotation. The focus of this research was to prepare and investigate the using of chitosan as an oil adsorbent and coagulant of the excessive residue oil droplets from an oily wastewater. In this respect, shrimp waste (shell) was treated with 9% (w/w) NaOH at 65oC for 90 min to obtain a purified crab chitin, and then 1g of purified crab chitin was treated with (w/w) 50% sodium hydroxide solution at 136oC for 1h to obtain pure chitosan. The prepared chitin and chitosan were characterized by the FT-IR spectrometry, X-ray diffraction (XRD) and scanning electron microscopy (SEM). The FT-IR spectrum shows three characteristic absorption bands of chitosan one of them was very strong and appeared at about 3306 cm-1 this for stretching vibration bands of (N-H and O-H), the second strong one appeared at about 1593.54 cm-1 that assigned for (-CONH-) and the third band at 1054.90 cm-1 for (C-O-C). The XRD patterns of chitosan show two characteristics crystalline peaks at 2? of 9.24° and 19.2° indicates the formation of chitosan from chitin. The surface morphology of chitosan before and after oil adsorption was examined using SEM. Then, the percentage of oil droplets removal was evaluated by HPLC.
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Aerobic treatment of raw dairy effluent using chemical & biological agents
Experimental investigations were carried out to treat industrial dairy wastewater and to minimize BOD and COD values to the required level as stipulated by the environmental standards by employing various surface-active materials like coagulants. This chemical pretreatment was followed by a biological treatment using a lab scale reactor with acclimatized and mixed consortia. Moreover the present study aimed to evaluate various parameters effecting the BOD and COD level mainly during the treatment. From the BOD and COD data for all samples, comparisons of various surface-active materials were carried to suggest the efficient surface-active material during chemical pre-treatment phase and thereby the optimum time of contact, dosage and pH were determined. In this present study chemical agents had been used as a pretreatment to the dairy effluent to reduce the BOD and COD whereas the biological treatment ensures rapid reduction in the BOD and COD values using the bacterial degradation process. The experimental results have been analyzed using Water Quality Index method to compare the efficiency of all the treatment processes.
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Alternaria species on Brassicaceae in eastern zone in Nepal and adjoining area of North Bihar
This paper deliberated to present future stance and strategy for variation of Alternaria brassicicola leaf spot of Broccoli (Brassica oleracea var. italica L.)was evaluated based on morphological, cultural and molecular parameters during Rabi season 2014 and 2015. Six isolates of Alternaria were cultured in vitro using different growth medium and the growth pattern of the fungi was studied. Maximum 86 leaf spots were recorded from different places followed and minimum 17 spots from CSA samples. The size of spots shown variations in different isolates collected from different places. The leaf spots were followed the reducing trend with the increasing number of spots. The maximum 0.5-1.9mm size of spot was noticed in CSA samples and minimum0.2-0.7mm from different places of northern Bihar and Biratnagar sub metropolitan city. The growth of A. brassicicola recorded maximum in host extract media followed by Potato Dextrose Agar while the growth observed minimum in Czapek’s medium. The variations also exhibited in protein profiling by using SDS-PAGE.
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